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| Tavares-Dias,Marcos; Martins,Maurício L.; Moraes,Flávio R.. |
| The present work studied protozoan parasites of cultivated fishes (N = 433) from two feefishing farm situated in Franca, São Paulo, Brazil, during a period of April 1997 through March 1999. Specimens of piauçú Leporinus macrocephalus Garavello & Britski, 1988 (Anostomidae), pacu Piaractus mesopotamicus Holmberg, 1887 (Characidae) carp Cyprinus carpio Linnaeus, 1758 (Cyprinidae), Tillapia rendalli Boulenger, 1896 (Cichlidae), nile-tilapia Oreochromis niloticus Linnaeus, 1758 (Cichlidae), matrinxã Brycon cephalus Günther, 1869 (Characidae) and tambacu hybrid (male of P. mesopotamicus x female of Colossoma macropomum Cuvier, 1818) were collected. The fishes were parasitized with protozoans Ichthyophthirius multifiliis Fouquet, 1876 (Protozoa),... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Ichthyophthirius multifiliis; Freshwater fish; Parasites; Piscinoodinium pillulare; Trichodina sp. |
| Ano: 2001 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-81752001000500005 |
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| Souza,Valéria Nogueira de; Martins,Maurício Laterça; Moraes,Flávio Ruas de; Kronka,Sérgio do Nascimento. |
| Tropical fishes like Leporinus macrocephalus Garavello & Britski, 1988 ("piauçu") and the hybrid "tambacu" (Piaractus mesopotamicus Holmberg, 1887 "pacu" male x Colossoma macropomum Cuvier, 1818 "tambaqui" female) were experimentally infected with four inocula of trophonts of Ichthyophthirius multifiliis Fouquet, 1876 (Protozoa, Ciliophora) and the infection level was evaluated. Each one of twelve experimental units consisted of a tank with 200 liters of water and two specimens of each kind of fish. The following treatments were designed to each tank, in triplicate: 8, 16,32 and 64 trophonts. After 8 days of exposure the fishes were killed and the number of trophonts was counted at a stereoscopic microscope. This assay showed to be feasible at... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Ichthyophthirius multifiliis; Tropical fish; Experimental infection; Susceptibility. |
| Ano: 2001 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-81752001000300016 |
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| Silva,Ronilson Macedo; Tavares-Dias,Marcos; Dias,Maycon Willian Reis; Dias,Márcia Kelly Reis; Marinho,Renata das Graças Barbosa. |
| The objective of this work was to evaluate the parasitic fauna of hybrid tambacu (Colossoma macropomum x Piaractus mesopotamicus) from fish farms and the host-parasite relationship. A hundred and fourteen fish were collected from four fish farms in Macapá, in the state of Amapá, Brazil, 80.7% of which were infected by: Ichthyophthirius multifiliis (Ciliophora); Piscinoodinium pillulare (Dinoflagellida); Anacanthorus spatulatus, Notozothecium janauachensis, and Mymarothecium viatorum (Monogenoidea); Neoechinorhynchus buttnerae (Acanthocephala); Cucullanus colossomi (Nematoda); Perulernaea gamitanae (Lernaeidae); and Proteocephalidae larvae (Cestoda). A total of 8,136,252 parasites were collected from the examined fish. This is the first record of N.... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Colossoma macropomum; Ichthyophthirius multifiliis; Piaractus mesopotamicus; Ectoparasite; Native fish; Host-parasite relationship. |
| Ano: 2013 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-204X2013000800037 |
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| Jeronimo,Gabriela Tomas; Ventura,Arlene Sobrinho; Pádua,Santiago Benites de; Satake,Fabiana; Ishikawa,Marcia Mayumi; Martins,Mauricio Laterça. |
| O objetivo deste trabalho foi descrever a fauna parasitária de cachara (Pseudoplatystoma reticulatum) cultivado em tanque-rede, no rio Paraguai. Dez peixes com peso médio de 598,0±81,3 g e comprimento total médio de 38,6±1,6 cm foram examinados. Todos os peixes necropsiados apresentaram infestação por pelo menos duas espécies de parasitos. Entre os parasitos, foram encontrados Ichthyophthirius multifiliis (Ciliophora), Myxobolus sp. e Henneguya sp. (Myxozoa), Monogenoidea, Choanoscolex abscissus e Nominoscolex sudobim (Cestoda), Dolops carvalhoi (Crustacea) e Digenea. O protozoário Ichthyophthirius multifiliis foi o parasito com maior prevalência. |
| Tipo: Info:eu-repo/semantics/report |
Palavras-chave: Ichthyophthirius multifiliis; Pseudoplatystoma reticulatum; Controle sanitário; Ictiofauna nativa brasileira; Monogenoidea. |
| Ano: 2013 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-204X2013000800057 |
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| Lemos, Jefferson Raphael Gonzaga; UFAM; Dias, Marcos Tavares; UFAM; Sales, Rejane Souza de Aquino; UFAM; Filho, Gabriel da Rocha Nobre; UFAM; Fim, Jorge Daniel Indrusiak; UFAM. |
| O presente estudo teve como objetivo determinar a prevalência e a intensidade de parasitos nas brânquias, bem como o fator de condição em matrinxã Brycon amazonicus Spix e Agassiz (1829) cultivados em três canais de igarapé da região do Tarumã-Mirim, Manaus, Estado do Amazonas. As condições sanitárias dos canais de igarapé, o manejo dos peixes e os parâmetros físico-químicos da água foram monitorados. De 150 peixes examinados, 25,0% estavam parasitados pelo protozoário Ichthyophthirius multifiliis (18,0%) e por sanguessungas Placobdella sp. (7,0%). A prevalência de I. multifiliis, nos três canais de igarapé, foi de 22,0%, 18,0% e 14,0%, respectivamente, e a intensidade média foi maior em um dos canais que mantinha peixes em grande densidade populacional.... |
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Palavras-chave: 2.13.00.00-3 Parasitologia Amazônia; Brânquias; Doenças; Ichthyophthirius multifiliis; Parasitos; Peixe de água doce. |
| Ano: 2007 |
URL: http://periodicos.uem.br/ojs/index.php/ActaSciBiolSci/article/view/593 |
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| Golombieski,Jaqueline Ineu; Becker,Alessandra Janaína; Almeida,Caroline Bruzza; Almeida,Ana Paula Gottlieb; Baldisserotto,Bernardo. |
| The aim of this study was to determine the preferred pH in silver catfish Rhamdia quelenjuveniles acclimated to different water hardness and the effect of shelters and infection by Ichthyophthirius multifiliis. Fish were acclimated for two weeks at different water hardness levels (4, 24, 50, or 100 mg CaCO3 L-1) and then transferred to a polyethylene tube with a pH gradient ranging from 3.5 to 11.7 and maintaining the same hardness. The position of the fish in the pH gradient was observed at 1, 2, 4, 6, 8, 10, and 12 h after transfer. Acclimation to different water hardness did not change pH preference of uninfected silver catfish (pH 7.30-7.83), and the presence of a shelter at the preferred pH or outside this preferred pH did not change the chosen pH... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Behavior; Calcium; Hardness; Ichthyophthirius multifiliis; Shelter. |
| Ano: 2013 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1679-62252013000300661 |
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| Andrade,Luciana Segura de; Andrade,Rafael Luiz Barboza de; Becker,Alexssandro Geferson; Baldisserotto,Bernardo. |
| In order to evaluate the use of antibiotics and NaCl on the behavior and survival of silver catfish, Rhamdia quelen, infested by Ichthyophthirius multifiliis and infected with Aeromonas hydrophila, juveniles were treated with chloramphenicol, chloramphenicol + salt, oxytetracycline, oxytetracycline + salt and water alone (control). Fish survival in the treatments with chloramphenicol + salt and oxytetracycline + salt was significantly higher than in the other treatments. The treatment with chloramphenicol presented higher survival than the treatment with oxytetracycline and both showed significantly higher survival than control. Swimming activity was higher in the fish treated with antibiotics and salt compared to control fish. A combination of the studied... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Aeromonas hydrophila; Chloramphenicol; Ichthyophthirius multifiliis; Oxytetracycline; Sodium chloride. |
| Ano: 2006 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782006000300047 |
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